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Finding the Fourth Proportional to 8,801.52, 12,135.54 and 7,604.34

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Solution

The fourth proportional to 8,801.52, 12,135.54 and 7,604.34 is: 10,484.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,801.52 : 12,135.54 = 7,604.34 : x
  2. Step 2: Convert to fraction form
    8,801.52/12,135.54 = 7,604.34/x
  3. Step 3: Cross multiply
    8,801.52x = 12,135.54 × 7,604.34
  4. Step 4: Simplify right side
    8,801.52x = 92,282,772.24
  5. Step 5: Solve for x
    x = 92,282,772.24/8,801.52
  6. Step 6: Final answer
    x = 10,484.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.